CN101399741B - Method, system and device for dynamically updating information of classifier - Google Patents
Method, system and device for dynamically updating information of classifier Download PDFInfo
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- CN101399741B CN101399741B CN200710151884.0A CN200710151884A CN101399741B CN 101399741 B CN101399741 B CN 101399741B CN 200710151884 A CN200710151884 A CN 200710151884A CN 101399741 B CN101399741 B CN 101399741B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
- H04L47/2433—Allocation of priorities to traffic types
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2441—Traffic characterised by specific attributes, e.g. priority or QoS relying on flow classification, e.g. using integrated services [IntServ]
Abstract
The invention discloses a method for dynamically updating classifier information; the method comprises the following steps: a gateway receives the classifier information which is issued by a server; the gateway judges whether the presence bit of the dynamic information in the classifier information is set; if the presence bit is set, the gateway updates the classifier information according to the presence bit of the dynamic information. By adopting the embodiment of the invention, the gateway updates the relevant parameters in the classifier information according to the classifier information which is set by the server; therefore, the defect that the dynamic updating of the classifier information can not be realized with prior art can be overcome and the present flow of matching classifiers for classification is compatible with the scene of classification based on interface information.
Description
Technical field
The present invention relates to network communications technology field, particularly a kind of mthods, systems and devices that dynamically update information of classifier.
Background technology
WiMAX (Worldwide Interoperability for Microwave Access, micro-wave access to global intercommunication) is a kind of Overview of wireless MAN technologies based on IEEE 802.16 standards.It is client that WiMAX network is mainly comprised of three parts, ASN (Access Service Network, accessing business network) comprise BS (Base Station, base station) and ASN-GW (Access Service Network-Gateway, accessing business network gate) and CSN (Connectivity Service Network, connection service network) comprise PPS (Prepaid Server, prepaid server), AAA Server (Authentication AuthorityAccount Server, authentication, authorize and accounting server), HA (Home Agent, home agent) logic entity such as.WiMAX network wireless side is the wireless MAN access technology based on IEEE 802.16d/e standard.NWG (Network Working Group, the network working group of WiMAX Forum) is responsible to define the network standard end to end, and its target is: set up network reference model end to end, meet the demand that working group of WiMAX Forum operator proposes; Formulate the network standard end to end, the functional entity in define grid and network interface; For the intercommunication authentication of WiMAX system lays the foundation.The reference model of NWG Stage2 network as shown in Figure 1.Wherein, ASN comprises BS and two network elements of ASN-GW.
In WiMAX system, the classification of business mainly completes by grader, ASN-GW realizes the classification of downlink data by mating descending grader, MS (Mobile Subscriber, mobile subscriber) realizes the classification of upstream data by mating up grader.Grader can identify an a kind of or class business of (Qualityof Service, the service quality) attribute that has identical QoS.Existing grader is mainly to realize classification by some parameter in IP head, referring to table 1.These parameters are configured on AAA Server in the situation that of pre-provisioned service flow when user is signing, by licensing process, are issued on ASN-GW; In dynamic service flow situation, in the negotiations process of application layer, determine, and be issued on ASN-GW by strategic server.
Table 1
| classifier parameters | implication |
| priority | the priority of grader, has determined the order of matched classifier, and the grader of high priority first mates. |
| iP TOS/DSCP Range and Mask | the scope in TOS/DSCP territory and mask in IP head |
| protocol | protocol type in IP head |
| iP Source Address and Mask | source IP address in IP head and mask |
| iP Destination Address and Mask | object IP address and mask in IP head |
| source Port Range | destination port range in IP head |
| destination Port Range | destination interface scope in IP head |
Downlink message take below as example, the assorting process of grader is described.
Suppose certain user 3 kinds of business of having contracted, Internet (internet), Game, VoIP (Voice overInternet Protocol, the voice transfer of IP based network), these three kinds of business are all classified by the source address of downlink message.Corresponding grader is respectively:
VoIP：{Priority＝1，IP Source Address and Mask＝12.130.5.0/255.255.255.0}
Game：{Priority＝2，IP Source Address and Mask＝11.120.1.0/255.255.255.0}
Internet：{Priority＝3，IP Source Address and Mask＝10.110.10.0/255.255.255.0}
Grader and User IP, DataPath relation are as shown in Figure 2, when ASN-GW receives downlink data message, according to the object IP of message (User IP), can navigate to three graders above, then according to the priority in grader, mate one by one each grader, if the match is successful with certain grader, use the DataPath that this grader is corresponding to forward the packet to BS.
Although can distinguish different business by grader masterplate is set, design parameter during practical application in grader masterplate possibly cannot obtain or be difficult to and collect and describe when grader is set, and need in business procedure, dynamically update.For example, below two kinds of application scenarioss, information of classifier cannot obtain when grader is set.
1) certain Carrier Requirements self-operated business is passed through HA, the business such as Internet business, urgent call directly access Internet by roaming place gateway, now user obtains respectively the Mobile IP address of ownership place and the simple IP address of roaming place, this two classes business can be distinguished by terminal IP, but terminal IP cannot obtain when grader is set, the relevant design that existing grader does not also dynamically update.
2) certain Carrier Requirements WiMAX ASN-GW is supported on Interface R3 with VLAN (VirtualLocal Area Network, VLAN) business is classified, this operator is thought in order to guarantee the fail safe of business, different business is by different tunnel, to be connected to the Interface R3 of ASN-GW, can be directly according to the sign in these tunnels, as VLAN ID (Virtual Local Area NetworkIdentifier, VLAN ID), GRE Key (Generic Routing Encapsulation Key, generic route encapsulation key) etc., carry out differentiated service.And in existing grader, only have IP parameter information, existing flow process of classifying by matched classifier cannot compatible this dependence connection or the interface message scene of classifying.
Therefore the shortcoming of prior art is: when practical application, design parameter in information of classifier cannot obtain when Servers installed grader, in business procedure, gateway also cannot dynamically update the parameter of grader, and existing flow process of classifying by matched classifier cannot the compatible scene that relies on interface message to classify.
Summary of the invention
The embodiment of the present invention provides a kind of mthods, systems and devices that dynamically update information of classifier, to realize, information of classifier dynamically updated, and the scene that makes information of classifier support rely on interface message to classify.
For achieving the above object, the embodiment of the present invention provides a kind of method that dynamically updates information of classifier on the one hand, comprises the following steps: the information of classifier that gateway reception server issues; Described gateway judges the whether set of multidate information presence bit in described information of classifier; If set, described gateway dynamically updates described information of classifier according to described multidate information presence bit.
On the other hand, the embodiment of the present invention also provides a kind of system that dynamically updates information of classifier, comprising: server, for information of classifier is set, and issues described information of classifier; Gateway, be connected with described server, the information of classifier issuing for receiving described server, and judge the whether set of multidate information presence bit in described information of classifier, if set, dynamically updates described information of classifier according to described multidate information presence bit.
On the one hand, the embodiment of the present invention also provides a kind of server, comprising: information arranges module, for information of classifier is set again; Information issues module, with described information, module is set and is connected, and for described information being arranged to the information of classifier of module setting, is handed down to gateway.
On the one hand, the embodiment of the present invention also provides a kind of gateway, comprising: information receiving module, the information of classifier issuing for reception server again; Signal judgement module, is connected with described information receiving module, for judging the whether set of multidate information presence bit of the information of classifier that described information receiving module receives; Information updating module, is connected with described signal judgement module, after judging the set of described multidate information presence bit at described signal judgement module, dynamically updates described information of classifier.
Compared with prior art, the embodiment of the present invention has the following advantages: by increase multidate information in information of classifier, make the application of grader more flexible, and existing flow process of classifying by matched classifier can compatible be relied on connect or scene that interface message is classified.
Accompanying drawing explanation
Fig. 1 is the reference model of prior art NWG Stage2 network;
Fig. 2 is the graph of a relation of prior art grader and User IP, DataPath;
Fig. 3 is the structure chart that the embodiment of the present invention dynamically updates the system of information of classifier;
Fig. 4 is the flow chart that the embodiment of the present invention dynamically updates the method for information of classifier;
Fig. 5 is the schematic diagram that the present invention dynamically updates the embodiment of the method one of information of classifier.
Embodiment
The embodiment of the present invention provides a kind of method that dynamically updates information of classifier, pass through the embodiment of the present invention, grader is dynamically updated, make the application of grader more flexible, also make existing flow process of classifying by matched classifier compatiblely to rely on to connect or scene that interface message is classified simultaneously.
As shown in Figure 3, for the embodiment of the present invention dynamically updates the structure chart of the system of information of classifier, comprise server 1 and gateway 2.Server 1 is for information of classifier is set, and this information of classifier is handed down to gateway 2 by licensing process.The embodiment of the present invention has increased multidate information presence bit in the masterplate of grader, when server 1 arranges information of classifier, can judge whether to dynamically update information of classifier according to grader Provisioning Policy and networking setting, if need to dynamically update information of classifier, server 1 is by the set of multidate information presence bit.This multidate information presence bit has two functions, and the one, indication gateway 2 will dynamically update which parameter in information of classifier, and the 2nd, when matched classifier, indicating which information is the multidate information that needs coupling.Gateway 2 is connected with server 1, the information of classifier issuing for reception server 1.The embodiment of the present invention has also increased the dynamic parameter VPN ID relevant to interface message (VirtualPrivate Network Identifier, Virtual Private Network sign), VLAN ID, GRE KEY etc. newly in information of classifier.After multidate information presence bit set in this information of classifier of judgement, the gateway 2 meeting parameters that Regeneration dynamics information presence bit identifies when Business Stream is set up, the parameter region that can dynamically update by these when using grader classification separates different Business Streams, and then realizes classification feature.
Wherein server 1 comprises renewal judge module 11, module 12 is set information and information issues module 13.Upgrade judge module 11 for when information of classifier is set, according to grader Provisioning Policy and networking setting, judge whether to dynamically update information of classifier, if need to dynamically update information of classifier, announcement information arranges module 12 by the set of multidate information presence bit.This multidate information presence bit has two functions, and the one, indication gateway 2 will dynamically update which parameter in information of classifier, and the 2nd, when matched classifier, indicating which information is the multidate information that needs coupling.Information arranges module 12 for when upgrading judge module 11 judgements and need to dynamically update information of classifier, and by the multidate information presence bit set in information of classifier, the embodiment of the present invention proposes, and a kind of method that multidate information presence bit is set is as shown in table 2.Information issues module 13, with information, module 12 is set and is connected, and for information being arranged to the information of classifier of module 12 settings, by licensing process, is handed down to gateway 2.
Wherein, gateway 2 comprises and is related to that configuration module 21, information receiving module 22, signal judgement module 23, information updating module 24, grader judge module 25, grader issue module 26 and sort module 27.Be related to configuration module 21, for the corresponding relation of the interface message of configuration service type and gateway 2, this type of service comprises VoIP business, Game business or Internet business etc.Information receiving module 22, the information of classifier issuing for reception server 1.The embodiment of the present invention has also increased the dynamic parameter VPN ID relevant to interface message newly at information of classifier, VLAN ID, and GRE KEY etc., the implication of these parameters is as shown in table 2.Signal judgement module 23, is connected with information receiving module 22, for judging the whether set of multidate information presence bit of the information of classifier that information receiving module 22 receives.Information updating module 24, is connected with signal judgement module 223, for after signal judgement module 23 judgement multidate information presence bit set, and the parameter that Regeneration dynamics information presence bit identifies when Business Stream is set up.Grader judge module 25, is connected with information updating module 24, for after information updating module 24 has been upgraded information of classifier, judges that whether the grader corresponding with each type of service be unique; Grader issues module 26, is connected with grader judge module 25, for after the grader judge module 25 judgements grader corresponding with each type of service is unique, this grader is handed down to sort module 27.Sort module 27, issues module 26 with grader and is connected, and for issue the grader that module 26 issues by matched classifier, downlink data is classified.
Table 2
Dynamic Information Exist Flag in table 2, VPN ID, VLAN ID, GRE KEY is the classifier parameters that the embodiment of the present invention newly increases, if VPN ID bit in the grader DynamicInformation Exist Flag that server 1 issues, be Bit#8 set, gateway 2 can dynamically update VPN ID parameter when Business Stream is set up, and when message classification, applies this parameter.
As shown in Figure 4, for the embodiment of the present invention dynamically updates the flow chart of the method for information of classifier, specifically comprise the following steps:
Step S401, the information of classifier that gateway reception server issues.Before server issues information of classifier, server can first arrange this information of classifier.The embodiment of the present invention has increased multidate information presence bit in the masterplate of grader, server is when arranging information of classifier, can judge whether to dynamically update information of classifier according to grader Provisioning Policy and networking setting, if need to dynamically update information of classifier, server is by the set of multidate information presence bit.This multidate information presence bit has two functions, and the one, indication gateway will dynamically update which parameter in information of classifier, and the 2nd, when matched classifier, indicating which information is the multidate information that needs coupling.The embodiment of the present invention proposes, and a kind of method that multidate information presence bit is set is as shown in table 2.Server, after setting completed by information of classifier, is handed down to gateway by licensing process by information of classifier corresponding to business.Before the information of classifier issuing at reception server, the corresponding relation of the interface message of the gateway first configuration service type of meeting and this gateway, this type of service comprises VoIP business, Game business or Internet business etc.
Step S402, gateway judges the whether set of multidate information presence bit in information of classifier.Gateway, after receiving this information of classifier, can judge the whether set of multidate information presence bit in this information of classifier.
Step S403, if set, gateway dynamically updates information of classifier according to multidate information presence bit.After multidate information presence bit set in this information of classifier of judgement, gateway can when Business Stream is set up, Regeneration dynamics information presence bit identifies parameter, the parameter region that can dynamically update by these when using grader classification separates different Business Streams, and then realizes classification feature.The embodiment of the present invention has also increased the dynamic parameter VPN ID relevant to interface message newly at information of classifier, VLAN ID, and GRE KEY etc., the implication of these parameters is as shown in table 2.Dynamic Information Exist Flag in table 2, VPN ID, VLAN ID, GRE KEY is the classifier parameters that the embodiment of the present invention newly increases, if VPN ID bit in the grader Dynamic Information Exist Flag that server issues, be Bit#8 set, gateway can dynamically update VPN ID parameter when Business Stream is set up, and when message classification, applies this parameter.
After having upgraded relevant parameter according to multidate information presence bit, gateway checks the uniqueness of every class business grader, and the grader that has upgraded relevant parameter is handed down to the entity of carrying out classification feature.After downlink data arrives gateway, gateway, by the actual parameter in the descending grader of coupling, comprises the original parameter of grader and the newly-increased parameter of the embodiment of the present invention, completes Data classification function.And then the data distributing of minute good class is arrived to client.
As shown in Figure 5, for the present invention dynamically updates the schematic diagram of the embodiment of the method one of information of classifier, in Fig. 5---represent Internet business datum ... represent VoIP business datum,--represent other business datums.
During actual networking, various dissimilar business are distinguished by different passages often at Interface R3, as shown in Figure 5, between certain gateway of ASN-GW and voip network, set up VoIP service tunnel, this tunnel can identify with VPN, also available VLAN identifies, and other business also can be set up other service tunnels between gateway and Service Gateway.Interface message by these tunnels on ASN-GW, VPN ID or VLAN ID, grader just can be distinguished different business.
Under this networking model, the corresponding relation of configuration service type and VPN on ASN-GW in advance, VRF as corresponding in VoIP business (VPN Routing and Forwarding, VPN route/forwarding) buy example voipservice (VPN ID=3) by name, the VRF instance gameservice (VPN ID=5) by name that Game business is corresponding.MS1 and MS2 are the VPN users of Internet, Game, 3 kinds of business of VoIP of having contracted, and the grader that business can be set on AAA Server is:
Internet: grader is not set
Position, Game:{ multidate information presence bit VPN ID position }
Position, VoIP:{ multidate information presence bit VPN ID position }
ASN-GW receives after the business grader of multidate information presence bit set, after the local configuration of inquiry obtains mutually deserved VPN ID, VPN ID is updated in information of classifier, whether the grader that then checks every class business has uniqueness, checks the entity of carrying out classification feature by being issued to.
When there being downlink message to arrive after ASN-GW, according to the object IP of message, it is User IP, ASN-GW just can navigate to two graders above, then according to the priority in grader, mate one by one each grader, VPN ID multidate information presence bit due to information of classifier is set in embodiments of the present invention, therefore ASN-GW is used the VPN id information of message to go matched classifier, if VoIP business, the grader success of mating VPN ID=3, so ASN-GW is used the DataPath that this grader is corresponding to forward the packet to BS.
The above-mentioned method that dynamically updates information of classifier, in WiMAX system, AAA Server is by the position, VPN ID position in information of classifier presence bit, after ASN-GW receives this information of classifier, VPNID is updated in information of classifier, thereby realized the dynamically updating of information of classifier, also made the existing flow process of classifying by matched classifier can the compatible scene that relies on interface message to classify simultaneously.
The present invention dynamically updates the embodiment of the method two of information of classifier for apply the method that dynamically updates information of classifier of embodiment of the present invention proposition in 3GPP (3rd GenerationPartnership Project, third generation partner program) system.In 3GPP system, information of classifier parameter is as shown in table 3.
Table 3
8 7 6 5 4 3 2 1
Multidate information presence bit in table 3 is 8 newly-increased multidate information presence bits, and the type identifier of information of classifier parameter can arrange as follows:
Bits
8 7 6 5 4 3 2 1
0 0 0 1 0 0 0 0 IPv4 remote address type
0 0 1 0 0 0 0 0 IPv6 remote address type
0 0 1 1 0 0 0 0 Protocol identifier/Next header type
0 1 0 0 0 0 0 0 Single local port type
0 1 0 0 0 0 0 1 Local port range type
0 1 0 1 0 0 0 0 Single remote port type
0 1 0 1 0 0 0 1 Remote port range type
0 1 1 0 0 0 0 0 Security parameter index type
0 1 1 1 0 0 0 0 Type ofservice/Traffic class type
1 0 0 0 0 0 0 0 Flow label type
1 0 0 0 0 0 0 1 VPN ID
1 0 0 0 0 0 1 0 VLAN ID
1 0 0 0 0 0 1 1 GRE KEY
Other is worth reservation, can set to 0, VPN ID wherein, VLAN ID, GRE KEY is the classifier parameters that the embodiment of the present invention newly increases, if the VPN ID bit in the grader multidate information presence bit that server issues, i.e. Bit#8 set, gateway can dynamically update VPN ID parameter when Business Stream is set up, and when message classification, applies this parameter.
The embodiment of the present invention provides a kind of method that dynamically updates information of classifier, pass through the embodiment of the present invention, in information of classifier, increased multidate information presence bit newly, gateway upgrades relevant parameter according to this multidate information presence bit, solved the problem that existing grader can not dynamically update, and made the existing flow process of classifying by matched classifier can the compatible scene that relies on interface message to classify by newly-increased classifier parameters.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (15)
1. a method that dynamically updates information of classifier, is characterized in that, comprises the following steps:
The corresponding relation of gateway configuration type of service and gateway interface information;
Information of classifier corresponding to business that described gateway reception server issues, the newly-increased dynamic parameter relevant to interface message in described information of classifier;
Described gateway judges the whether set of multidate information presence bit in described information of classifier;
If set, described gateway dynamically updates described information of classifier according to described multidate information presence bit.
2. dynamically update as claimed in claim 1 the method for information of classifier, it is characterized in that, after described gateway dynamically updates described information of classifier according to described multidate information presence bit, further comprising the steps of:
Described gateway judges that whether the grader corresponding with described type of service be unique;
If unique, described grader is handed down to the entity of carrying out classification feature.
3. dynamically update as claimed in claim 2 the method for information of classifier, it is characterized in that, after described grader being handed down to the entity of carrying out classification feature, further comprising the steps of: described gateway is classified to downlink data by mating described grader.
4. dynamically update as claimed in claim 1 the method for information of classifier, it is characterized in that, before the information of classifier issuing at described gateway reception server, further comprising the steps of: information of classifier described in described Servers installed.
5. dynamically update as claimed in claim 4 the method for information of classifier, it is characterized in that, information of classifier specifically comprises described in described Servers installed:
Described server judges whether to dynamically update described information of classifier;
If need to dynamically update described information of classifier, described server is by the set of described multidate information presence bit.
6. as described in claim 1-5 any one, dynamically update the method for information of classifier, it is characterized in that, described information of classifier comprises: Virtual Private Network sign VPN ID, VLAN ID VLAN ID and/or generic route encapsulation key GRE KEY.
7. a system that dynamically updates information of classifier, is characterized in that, comprising:
Server, for information of classifier is set, and issues described information of classifier;
Gateway, be connected with described server, for receiving information of classifier corresponding to business that described server issues, the newly-increased dynamic parameter relevant to interface message in described information of classifier, and judge the whether set of multidate information presence bit in described information of classifier, if set, dynamically updates described information of classifier according to described multidate information presence bit;
Described gateway also comprises and is related to configuration module, for the corresponding relation of configuration service type and described gateway interface information.
8. dynamically update as claimed in claim 7 the system of information of classifier, it is characterized in that, described server comprises:
Information arranges module, for described information of classifier is set;
Information issues module, with described information, module is set and is connected, and for described information being arranged to the information of classifier of module setting, is handed down to described gateway.
9. dynamically update as claimed in claim 8 the system of information of classifier, it is characterized in that, described server also comprises: upgrade judge module, with described information, module being set is connected, be used for judging whether dynamically updating described information of classifier, if need to dynamically update described information of classifier, described renewal judge module notifies described information module to be set by the multidate information presence bit set in described information of classifier.
10. dynamically update as claimed in claim 7 the system of information of classifier, it is characterized in that, described gateway comprises:
Information receiving module, the information of classifier issuing for receiving described server;
Signal judgement module, is connected with described information receiving module, for judging the whether set of multidate information presence bit of the information of classifier that described information receiving module receives;
Information updating module, is connected with described signal judgement module, after judging the set of described multidate information presence bit at described signal judgement module, dynamically updates described information of classifier.
11. dynamically update the system of information of classifier as claimed in claim 7, it is characterized in that, described gateway also comprises:
Grader judge module, is connected with described information updating module, for after described information updating module has been upgraded information of classifier, judges that whether the grader corresponding with described type of service be unique;
Grader issues module, is connected with described grader judge module, for after the described grader judge module judgement grader corresponding with described type of service is unique, described grader is issued.
12. dynamically update the system of information of classifier as claimed in claim 11, it is characterized in that, described gateway also comprises: sort module, issues module with described grader and be connected, for issuing the grader that module issues downlink data is classified by mating described grader.
13. 1 kinds of gateways, is characterized in that, comprising:
Be related to configuration module, for the corresponding relation of configuration service type and described gateway interface information;
Information receiving module, for information of classifier corresponding to business issuing with the corresponding relation reception server of gateway interface information according to described type of service;
Signal judgement module, is connected with described information receiving module, for judging the whether set of multidate information presence bit of the information of classifier that described information receiving module receives;
Information updating module, is connected with described signal judgement module, after judging the set of described multidate information presence bit at described signal judgement module, dynamically updates described information of classifier.
14. gateways as claimed in claim 13, is characterized in that, also comprise:
Grader judge module, is connected with described information updating module, for after described information updating module has been upgraded information of classifier, judges that whether the grader corresponding with described type of service be unique;
Grader issues module, is connected with described grader judge module, for after the described grader judge module judgement grader corresponding with described type of service is unique, described grader is issued.
15. gateways as claimed in claim 14, is characterized in that, also comprise: sort module, issues module with described grader and be connected, for issuing the grader that module issues downlink data is classified by mating described grader.
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| Title |
|---|
| 3GPP work group.3GPP TS 29．207 V6．5．O.《WWW.3GPP.COM》.2005,9-29. * |
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| Publication number | Publication date |
|---|---|
| WO2009039797A1 (en) | 2009-04-02 |
| CN101399741A (en) | 2009-04-01 |
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